250, 500, 1000ul Fixed Syringe (for HPLC)-Teflon plunger, Beveled needle; Removable Needle Syringes 10, 25, 50, 100ul Replaceable Syringe-Replaceable needle; Luer Lock Syringe 250, 500, 1000, 2500, 5000, 10000ul Luer Lock Syringe-Teflon plunger, Cone-shaped needle head secured by a Twist-lock